3(5x+7y)=7(8y+3x)

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Solution for 3(5x+7y)=7(8y+3x) equation:


Simplifying
3(5x + 7y) = 7(8y + 3x)
(5x * 3 + 7y * 3) = 7(8y + 3x)
(15x + 21y) = 7(8y + 3x)

Reorder the terms:
15x + 21y = 7(3x + 8y)
15x + 21y = (3x * 7 + 8y * 7)
15x + 21y = (21x + 56y)

Solving
15x + 21y = 21x + 56y

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-21x' to each side of the equation.
15x + -21x + 21y = 21x + -21x + 56y

Combine like terms: 15x + -21x = -6x
-6x + 21y = 21x + -21x + 56y

Combine like terms: 21x + -21x = 0
-6x + 21y = 0 + 56y
-6x + 21y = 56y

Add '-21y' to each side of the equation.
-6x + 21y + -21y = 56y + -21y

Combine like terms: 21y + -21y = 0
-6x + 0 = 56y + -21y
-6x = 56y + -21y

Combine like terms: 56y + -21y = 35y
-6x = 35y

Divide each side by '-6'.
x = -5.833333333y

Simplifying
x = -5.833333333y

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